[openwrt/openwrt] ath25: Replace fall through comment with fallthrough;

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/53956dd2f673fa3aacb643f88b25bb0314905931

commit 53956dd2f673fa3aacb643f88b25bb0314905931
Author: Hauke Mehrtens <hauke at hauke-m.de>
AuthorDate: Thu May 18 16:19:47 2023 +0200

    ath25: Replace fall through comment with fallthrough;
    
    Replace the fall through comment with fallthrough; in the ar2315 flash
    driver.
    This fixes a compile warning.
    
    Signed-off-by: Hauke Mehrtens <hauke at hauke-m.de>
---
 target/linux/ath25/patches-5.15/120-spiflash.patch | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/target/linux/ath25/patches-5.15/120-spiflash.patch b/target/linux/ath25/patches-5.15/120-spiflash.patch
index c0f4fa6204..b7a9607ac9 100644
--- a/target/linux/ath25/patches-5.15/120-spiflash.patch
+++ b/target/linux/ath25/patches-5.15/120-spiflash.patch
@@ -350,13 +350,13 @@
 +		switch (read_len) {
 +		case 4:
 +			spi_data |= buf[3] << 24;
-+			/* fall through */
++			fallthrough;
 +		case 3:
 +			spi_data |= buf[2] << 16;
-+			/* fall through */
++			fallthrough;
 +		case 2:
 +			spi_data |= buf[1] << 8;
-+			/* fall through */
++			fallthrough;
 +		case 1:
 +			spi_data |= buf[0] & 0xff;
 +			break;